package com.lanou3g.code0510;

import org.apache.commons.io.IOUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;

@WebServlet(name = "DoenloadServlet", urlPatterns = "/down")
public class DoenloadServlet extends HttpServlet {


    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //设置响应的编码格式为 utf8
        response.setCharacterEncoding("utf8");

        response.setHeader("Content-Disposition", "attachment;filename=aa.mp3");

        InputStream is = getServletContext().getResourceAsStream("file/aa.mp3");

        response.getOutputStream().write(IOUtils.toByteArray(is));
        //设置下载响应头


    }
}
